WO2023108973A1

WO2023108973A1 - Electric toothbrush suitable for children

Info

Publication number: WO2023108973A1
Application number: PCT/CN2022/088682
Authority: WO
Inventors: 徐俊峰
Original assignee: 杭州电子科技大学技术转移有限公司
Priority date: 2021-12-16
Filing date: 2022-04-24
Publication date: 2023-06-22
Also published as: CN114376754B; CN114376754A

Abstract

An electric toothbrush suitable for children, comprising a brush head (1) and a handle (2). The brush head (1) is mounted on the handle (2); the brush head (1) has a U-shaped structure; the brush head (1) comprises an upper brush body (104), a lower brush body (106) and brush strips; the upper brush body (104) and the lower brush body (106) are provided in a symmetrical structure and are respectively provided with U-shaped engagement slots; U-shaped cavities (105) are formed in the brush bodies (104, 106) at two sides of the engagement slots; several guide rollers (102) are provided in the U-shaped cavities (105); the guide rollers (102) are arranged in a wavy shape; the brush strips are sequentially wound to the outer walls of all the guide rollers (102) in a wavy shape; a driving mechanism is provided in the handle (2); both ends of each brush strip are separately connected to the driving mechanism. By means of forward and reverse operation of the driving motor, the brush strips are pulled to move in a reciprocating mode, so that the comprehensive cleaning of teeth can be automatically completed without the cooperation of a hand action, and the practical requirements of children can be satisfied; in addition, the brush strips are set to be wavy, so that transverse cleaning and longitudinal cleaning are achieved during a reciprocating motion, cleaning between teeth can be achieved, and the residues of bacteria are avoided.

Description

An electric toothbrush suitable for young children

technical field

The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush suitable for young children.

Background technique

With the popularity of smart home appliances, electric toothbrushes have become the mainstream product for washing. At present, most electric toothbrushes on the market are usually composed of a handle and a brush head. The handle is equipped with a motor core. Through the rapid rotation or vibration of the motor core, the brush head generates high-frequency vibrations, which instantly decomposes the toothpaste into fine foam for deep cleaning. At the same time, the vibration of the bristles can promote blood circulation in the oral cavity and have a massage effect on the gum tissue.

But this electric toothbrush is only suitable for older children and adults. For children who are still in their infancy, brushing their teeth is just a formality for them. It is difficult to really complete the whole process of brushing their teeth with an electric toothbrush. Therefore, the toothpaste can only be broken down into fine foams, but it cannot really clean the gaps between the teeth, especially Teeth inside the mouth. In addition, young children have less hand strength and it is difficult to control the vibration of an electric toothbrush. Therefore, during the vibration process, the brush head of the electric toothbrush is easy to hurt the child's gums.

Contents of the invention

According to the deficiencies in the prior art, the present invention proposes an electric toothbrush suitable for young children. By setting U-shaped tooth sockets and reciprocating bristles in the tooth sockets, children who are not good at hands-on can still achieve a deep toothbrush. cleanliness.

In order to solve the problems of the technologies described above, the technical solution of the present invention is:

An electric toothbrush suitable for young children comprises a brush head and a handle, the brush head is mounted on the handle, the brush head has a U-shaped structure, the brush head includes an upper brush body, a lower brush body and a brush bar, the The upper brush body and the lower brush body are arranged in a symmetrical structure, and are respectively provided with U-shaped occlusal grooves. U-shaped cavities are provided in the brush bodies on both sides of the occlusal grooves, and several guides are arranged in the U-shaped cavities. Rollers, the guide rollers are arranged in waves, and the brush strips are connected to the outer walls of all the guide rollers in a wave shape, and the handle is provided with a driving mechanism, and the two ends of the brush strips are respectively connected to Drive mechanism.

Preferably, the brush bar includes a brush bar body, bristles are provided in the middle of one side of the brush bar body, and an annular groove is provided on the radially outer wall of the guide roller, and the brush bar body is embedded into the annular groove , the bristles are located on the outer wall of the guide roller.

Preferably, the brush bar body is supported by soft rubber.

Preferably, the handle includes a handle body, the handle body is provided with a cavity, and the cavity is divided into a power cavity and a power supply cavity through a partition, the driving device is installed in the power cavity, and the power supply cavity is set There is a power supply.

As a preference, a wire passage groove is provided between the upper brush body and the lower brush body, and two traction channels are provided on the handle body, and the two ends of the traction passage communicate with the wire passage groove and the power chamber respectively.

Preferably, the two ends of the brush bar body are respectively connected with traction ropes, and the traction ropes pass through the wire groove and the traction channel to extend into the power cavity and are connected to the driving mechanism.

Preferably, the drive mechanism includes a drive motor, a drive gear and a drive rack, the drive motor is fixedly installed in the power chamber, the drive gear is installed to the power output end of the drive motor, and one side of the drive rack meshed with the driving gear, and the two ends of the transmission rack are respectively fixedly connected with the ends of the two traction ropes.

Preferably, two tensioning wheels are arranged in the power cavity, the two tensioning wheels are respectively located under the two traction channels, and the two traction ropes are respectively wound to the tensioning wheels.

Preferably, the driving motor is a micro stepping motor.

Preferably, the surfaces of the upper brush body and the lower brush body are covered with a silica gel layer.

The present invention has following characteristics and beneficial effect:

Adopting the above-mentioned technical solution, the structure is simple and the technology is reasonable. By driving the motor to rotate forward and backward, the brush bar is pulled to reciprocate, and then the comprehensive cleaning of the teeth can be automatically completed without the cooperation of hand movements, which can meet the practical needs of children. , by setting the brush bar in a wavy shape, there are both horizontal cleaning and vertical cleaning in the reciprocating motion, which can clean the gaps between the teeth and avoid the residue of bacteria.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a sectional view of the brush head in Fig. 1;

Fig. 3 is a schematic structural view of the guide roller in Fig. 2;

FIG. 4 is a schematic structural diagram of the brush bar in FIG. 2 .

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The present invention provides an electric toothbrush suitable for young children, as shown in Figure 1 and Figure 2, comprising a brush head 1 and a handle 2, the brush head 1 is installed on the handle 2, and the brush head 1 is in a U-shaped structure , the brush head 1 includes an upper brush body 104, a lower brush body 106 and a brush bar, the upper brush body 104 and the lower brush body 106 are arranged in a symmetrical structure, and are respectively provided with U-shaped occlusal grooves, and the occlusal The

brush bodies

104 and 106 on both sides of the groove are provided with U-shaped cavities 105, and a plurality of guide rollers 102 are arranged in the U-shaped cavities 105. The guide rollers 102 are arranged in waves, and the brush strips are arranged in waves. The shape is sequentially wound to the outer walls of all the guide rollers 102, the handle 2 is provided with a driving mechanism, and the two ends of the brush bar are respectively connected to the driving mechanism.

It can be understood that one side of the U-shaped cavity communicates with the engaging groove.

In the above technical solution, the structure is simple and the technology is reasonable. The user only needs to bite the teeth into the occlusal grooves respectively, and the tooth cleaning can be completed by pulling the brush bar to reciprocate through the driving mechanism. No hand cooperation is required, and it is suitable for children to brush their teeth.

In addition, the wavy structure allows the brush bar to move horizontally and vertically during the reciprocating motion, thereby thoroughly cleaning the interdental spaces of the teeth and avoiding bacteria residue.

Specifically, as shown in Fig. 3 and Fig. 4, the brush bar includes a brush bar body 107, a bristle 108 is provided in the middle of one side of the brush bar body 107, and the radially outer wall of the guide roller 102 is provided with The annular groove 102 - 1 , the brush bar body 107 is inserted into the annular groove 102 - 1 , and the bristles 108 are located on the outer wall of the guide roller 102 .

In the above technical solution, by setting the brush strip body 107 and the annular groove 102-1, the brush strip plays a z-direction positioning role for the brush strip during its movement, so as to prevent the brush strip from being displaced and then detached from the U-shaped cavity.

Further, the brush bar body 107 is supported by soft rubber. It is convenient for the body of the brush bar to realize wave-like movement.

In a further setting of the present invention, the handle 2 includes a handle body 201, and a cavity is provided in the handle body 201, and the cavity is divided into a power cavity 202 and a power supply cavity 204 through a partition 203, and the driving device is installed in The power cavity 202, the power supply cavity 204 is provided with a power supply device. A wire passage 101 is provided between the upper brush body 104 and the lower brush body 106, and two traction channels 205 are arranged on the handle body 201, and the two ends of the traction passage 205 are respectively connected with the wire passage 101 and the power The cavities 202 are in communication. Both ends of the brush bar body 107 are respectively connected with traction ropes 210 , and the traction ropes 210 pass through the wire slot 101 and the traction channel 205 to extend into the power cavity 202 and connect to the driving mechanism. Described driving mechanism comprises driving motor 208, driving gear 207 and transmission rack 209, and described driving motor 208 is fixedly installed in the power cavity 202, and described driving gear 207 is installed to the power output end of driving motor 208, and described driving gear One side of the bar 209 is meshed with the drive gear 207 , and the two ends of the drive rack 209 are respectively fixedly connected with the ends of two traction ropes 210 . Two tensioning wheels 206 are arranged in the power chamber 202, and the two tensioning wheels 206 are respectively located under the two traction channels 205, and the two traction ropes 210 are wound around the tensioning wheels 206 respectively.

In the above technical solution, the structure is simple, the technology is reasonable, and the production cost is low. The tension wheel 206 is provided to ensure that the brush bar is in a tensioned state, thereby improving the cleaning effect.

Further, the driving motor 208 is a micro stepping motor. Small size for easy mounting to the handle and easy reversing.

Further, the surfaces of the upper brush body 104 and the lower brush body 106 are coated with a silicone layer 103 .

It is conceivable that the setting of the silicone layer 103 has a good protective effect on the gums, and meets food-grade hygienic requirements.

It can be understood that the upper and lower surfaces of the upper brush body 104 and the lower brush body 106 are provided with gaps connected to the U-shaped cavity, and the silicone layer has corresponding gaps, so as to facilitate the cleaning of the brush head after brushing. Avoid bacteria remaining in the brush head.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, replacements and modifications to these implementations, including components, still fall within the protection scope of the present invention.

Claims

An electric toothbrush suitable for young children, comprising a brush head (1) and a handle (2), the brush head (1) is installed on the handle (2), characterized in that the brush head (1) is U-shaped structure, the brush head (1) includes an upper brush body (104), a lower brush body (106) and a brush bar, and the upper brush body (104) and the lower brush body (106) are arranged in a symmetrical structure, and respectively U-shaped occlusal grooves are provided, U-shaped cavities (105) are arranged in the brush bodies (104, 106) on both sides of the occlusal grooves, and several guide rollers (102) are arranged in the U-shaped cavities (105). ), the brush strip is wound around the outer walls of all guide rollers (102), the handle (2) is provided with a driving mechanism, and the two ends of the brush strip are respectively connected to the driving mechanism.
The electric toothbrush suitable for young children according to claim 1, characterized in that, the brush strips are connected to the outer walls of all the guide rollers (102) successively in a wave shape, and the brush strips include a brush strip body (107) , the middle of one side of the brush body (107) is provided with bristles (108), the radially outer wall of the guide roller (102) is provided with an annular groove (102-1), and the brush body (107 ) are embedded in the annular groove (102-1), and the bristles (108) are located on the outer wall of the guide roller (102).
The electric toothbrush suitable for infants according to claim 2, characterized in that, the brush bar body (107) is supported by soft rubber.
The electric toothbrush suitable for young children according to claim 2, characterized in that, the handle (2) includes a handle body (201), and a cavity is provided in the handle body (201), and the cavity is passed through a partition. The board (203) is divided into a power cavity (202) and a power supply cavity (204), the driving device is installed in the power cavity (202), and a power supply device is arranged in the power supply cavity (204).
The electric toothbrush suitable for young children according to claim 4, characterized in that, a wire slot (101) is provided between the upper brush body (104) and the lower brush body (106), and the handle body (201 ) are provided with two traction passages (205), and the two ends of the traction passages (205) communicate with the wire passage groove (101) and the power chamber (202) respectively.
The electric toothbrush suitable for young children according to claim 5, characterized in that, the two ends of the brush bar body (107) are respectively connected with traction ropes (210), and the traction ropes (210) pass through the wires in turn The slot (101) and traction channel (205) extend into the power chamber (202) and connect to the drive mechanism.
The electric toothbrush suitable for young children according to claim 6, wherein the drive mechanism comprises a drive motor (208), a drive gear (207) and a drive rack (209), and the drive motor (208) is fixed Installed in the power cavity (202), the drive gear (207) is installed to the power output end of the drive motor (208), one side of the drive rack (209) is meshed with the drive gear (207), the drive Both ends of the rack (209) are respectively fixedly connected to the ends of the two traction ropes (210).
The electric toothbrush suitable for young children according to claim 6, characterized in that, two tensioning wheels (206) are arranged in the power cavity (202), and the two tensioning wheels (206) are respectively located at two Below the first traction channel (205), the two traction ropes (210) are respectively wound to the tensioning pulley (206).
The electric toothbrush suitable for infants according to claim 7, characterized in that, the driving motor (208) is a micro stepping motor.
The electric toothbrush suitable for infants according to any one of claims 1-9, characterized in that the surfaces of the upper brush body (104) and the lower brush body (106) are coated with a silicone layer (103).